JP2022500842A - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP2022500842A JP2022500842A JP2021510345A JP2021510345A JP2022500842A JP 2022500842 A JP2022500842 A JP 2022500842A JP 2021510345 A JP2021510345 A JP 2021510345A JP 2021510345 A JP2021510345 A JP 2021510345A JP 2022500842 A JP2022500842 A JP 2022500842A
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- 239000011521 glass Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0756—Stacked arrangements of devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/08—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/0004—Devices characterised by their operation
- H01L33/0008—Devices characterised by their operation having p-n or hi-lo junctions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
- H01L33/382—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape the electrode extending partially in or entirely through the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/44—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Led Devices (AREA)
Abstract
Description
及びB−B’に沿って切断した断面図であり、図1Cは図1BのAの拡大図であり、図1
Dは図1BのBの拡大図であり、図1Eは図1Bに示す発光装置の第1導電パターンの上面図であり、図1Fは、図1Bに示す発光装置の第2導電パターンの上面図である。図1Gは一実施形態による発光装置の上面図であり、図1Hは、図1GのラインA−A’およ
びB−B’に沿って切断した断面図である。図1Iは、一実施形態に係る発光装置の第1
〜第3発光部それぞれの単位面積あたりの電流密度に対する正規化外部量子効率を示す図である。
Claims (21)
- 第1−1型半導体層、第1活性層、第1−2型半導体層及び第1オーミック層を含む第1発光部と、
前記第1発光部の上に配置され、第2−1型半導体層、第2活性層と、第2−2型半導体層及び第2オーミック層を含む第2発光部と、
前記第2発光部の上に配置され、第3−1型半導体層、第3活性層、第3−2型半導体層、第3−2型半導体層と一面が電気的に接する第1金属パターン及び第3−1型半導体層と一面が電気的に接する第2金属パターンを含む第3発光部と、
前記第1オーミック層と電気的に接続される第1パッドと、
前記第2オーミック層と電気的に接続される第2パッドと、
前記第1金属パターンと電気的に接続される第3パッドと、
前記第1−1型及び前記第2−1型半導体層と前記第2金属パターンとに電気的に共通に接続されている共通パッドと、
前記第2金属パターンと前記共通パッドとの間で前記第2金属パターン及び前記共通パッドを電気的に接続する第1ビア構造体と、を含み、
前記第2金属パターンの一面は、前記第1ビア構造体と接する第1部分と、前記第3−1型半導体層と接する第2部分とを有する、発光装置。 - 前記第2金属パターンの第2部分の面積は、前記第1部分の面積の1〜5倍である、請求項1に記載の発光装置。
- 前記第2金属パターンの第2部分は、前記第1部分を取り囲む、請求項2に記載の発光装置。
- 前記第1金属パターンは、前記第3−2型半導体層に接して第1厚さを有し、
前記第2金属パターンは、前記第3−1型半導体層および第3活性層を貫通して第1厚さよりも大きい第2厚さを有する、請求項1に記載の発光装置。 - 前記第1金属パターンの一面に対向する他の面は、前記第2金属パターンの一面に対向する他の面と同じか高いレベルである、請求項4に記載の発光装置。
- 前記第2金属パターンは、前記第1金属パターンの一面に対向する他の面を有し、
前記一面の幅は、前記他の面の幅よりも大きく、
前記他の面の幅は、前記第1ビア構造体の幅よりも大きい、請求項1に記載の発光装置。 - 前記第1ビア構造体に隣接する前記第2金属パターンの外側側壁の一部は、外側に突出している、請求項1に記載の発光装置。
- 前記第1金属パターンと前記第3パッドとの間で前記第1金属パターン及び前記第3パッドを電気的に接続する第2ビア構造体をさらに含み、
前記第1金属パターンの一面は、前記第2ビア構造体に接する第1部分と、前記第3−2型半導体層に接する第2部分とを有する、請求項1に記載の発光装置。 - 前記第1金属パターンの第2部分の面積は、前記第1部分の面積の1〜5倍である、請求項8に記載の発光装置。
- 前記第1金属パターンの第2部分は、前記第1部分を取り囲む、請求項9に記載の発光装置。
- 前記第1金属パターンは、前記第2ビア構造体よりも大きな幅を有する、請求項8に記載の発光装置。
- 前記第1オーミック層と前記第1パッドとの間を電気的に接続する第2ビア構造体と、
前記第2オーミック層と前記第2パッドとの間を電気的に接続する第3ビア構造体と、
前記第1金属パターンと前記第3パッドとの間を電気的に接続する第4ビア構造体と、
前記第1〜第4ビア構造体のそれぞれと前記第1〜第3発光部とを電気的に絶縁する第1パッシベーション膜と、をさらに含み、
前記第1パッシベーション膜は、前記第1〜第4ビア構造体のそれぞれの外側外壁を包み込む第1部分と、前記第3−1型半導体層、前記第1〜第3パッド及び前記共通パッドの間に配置される第2部分を有し、
前記第1パッシベーション膜の前記第2部分が前記第1部分よりも大きいか、または同じ厚さである、請求項1に記載の発光装置。 - 前記共通パッドと前記第1−1型半導体層との間を電気的に接続する第5ビア構造体と、
前記共通パッドと前記第2−1型半導体層との間を電気的に接続する第6ビア構造体と、をさらに含み、
前記第1パッシベーション膜の前記第1部分は、前記第5及び第6ビア構造体のそれぞれの外側外壁を取り囲む、請求項12に記載の発光装置。 - 前記第1〜第6ビア構造のそれぞれは、めっき層およびめっき層の外側外壁を取り囲むシード層を含む、請求項13に記載の発光装置。
- 前記第2金属パターンは、前記第1ビア構造体と接する一面と当該一面に対向する他の面とを有し、
前記第2金属パターンの他の面及び前記第2−1型半導体層に電気的に接する第1パターンと、前記第1パターンと前記第1−1型半導体層との間を電気的に接続する第2パターンとを含む第5ビア構造体をさらに含む、請求項12に記載の発光装置。 - 前記第1〜第5ビア構造体の各々は、めっき層およびめっき層の外側外壁を取り囲むシード層を含む、請求項15に記載の発光装置。
- 前記第1〜第3発光部のそれぞれの外側外壁を取り囲むパッシベーション膜、及び前記パッシベーション膜の外側外壁を取り囲む外側シード膜をさらに含む、請求項1に記載の発光装置。
- 前記第1〜第3発光部のうち少なくとも一つの外側外壁を取り囲む第1外側シード膜と、
前記第1〜第3発光部のうち少なくとも一つと前記第1外側シード膜との間に配置される第1パッシベーション膜と、
前記第1〜第3発光部のうち他の一つの外側外壁を取り囲む第2外側シード膜と、
前記第1〜第3発光部のうち他の一つの部分と前記第2外側シード膜との間に配置される第2パッシベーション膜と、をさらに含む、請求項1に記載の発光装置。 - 前記第1−1型、第2−1型、及び第3−1型半導体層のそれぞれの一面に対向する他の面は、複数の突起を有する、請求項1に記載の発光装置。
- 前記第1−1型、第2−1型、及び第3−1型半導体層のそれぞれは、n型半導体を含み、
前記第1−2型、第2−2型、及び第3−2型半導体層のそれぞれは、p型半導体を含む、請求項1に記載の発光装置。 - 前記第1−1型、第2−1型、及び第3−1型半導体層のそれぞれは、p型半導体を含み、
前記第1−2型、第2−2型、及び第3−2型半導体層のそれぞれは、n型半導体を含む、請求項1に記載の発光装置。
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US201862731218P | 2018-09-14 | 2018-09-14 | |
US62/731,218 | 2018-09-14 | ||
US16/561,440 | 2019-09-05 | ||
US16/561,440 US10886447B2 (en) | 2018-09-14 | 2019-09-05 | Light emitting device |
PCT/KR2019/011708 WO2020055091A1 (ko) | 2018-09-14 | 2019-09-10 | 발광 소자 |
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JP2022500842A true JP2022500842A (ja) | 2022-01-04 |
JPWO2020055091A5 JPWO2020055091A5 (ja) | 2022-09-20 |
JP7371089B2 JP7371089B2 (ja) | 2023-10-30 |
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US (3) | US10886447B2 (ja) |
EP (1) | EP3852154A4 (ja) |
JP (1) | JP7371089B2 (ja) |
KR (1) | KR20210049780A (ja) |
CN (2) | CN112689904B (ja) |
BR (1) | BR112021004875A2 (ja) |
WO (1) | WO2020055091A1 (ja) |
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US10886447B2 (en) * | 2018-09-14 | 2021-01-05 | Seoul Viosys Co., Ltd. | Light emitting device |
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JP7371089B2 (ja) | 2023-10-30 |
CN112689904A (zh) | 2021-04-20 |
KR20210049780A (ko) | 2021-05-06 |
WO2020055091A1 (ko) | 2020-03-19 |
CN210224057U (zh) | 2020-03-31 |
US20200091390A1 (en) | 2020-03-19 |
BR112021004875A2 (pt) | 2021-07-20 |
US20240113272A1 (en) | 2024-04-04 |
EP3852154A4 (en) | 2022-06-15 |
US20210091286A1 (en) | 2021-03-25 |
EP3852154A1 (en) | 2021-07-21 |
CN112689904B (zh) | 2024-08-27 |
US11876156B2 (en) | 2024-01-16 |
US10886447B2 (en) | 2021-01-05 |
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